Inventor

Wilfried Bald

Inventor

Hilchenbach, DE

Overview

1979–2007

Patent span

Performing operations

Primary field (CPC B)

Patents· 20 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B21Bprimary

B21BRolling of metal63%

Y10TTechnical subjects covered by former us classification13%

B05CApparatus for applying fluent materials to surfaces, in general3%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%

C21DModifying the physical structure of ferrous metals3%

C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis3%

D06BTreating textile materials using liquids, gases or vapours3%

F16CShafts3%

H03FAmplifiers3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

PatentTitleYear

7,251,978'Roll stand for producing plane roll strips having a desired strip profile superelevation'2007 6,832,432'Hot-rolling mill'2004 6,216,516'Reversing compact installation for cold rolling strip-shaped rolling material'2001 6,149,740'Method of and apparatus for manufacturing hot rolled steel strips, in particular from strip-shaped continuously cast primary material'2000 5,927,127'Reversing compact installation for cold rolling strip-shaped rolling material'1999 5,802,902'Production plant for continuously or discontinuously rolling hot strip'1998 5,746,081'Reversing compact installation for cold rolling strip-shaped rolling material'1998 5,021,265'Roll arrangement for non-deforming treatment of moving web-type products'1991 4,862,570'Apparatus for removal of scale from hot-rolled steel strip'1989 4,841,761'Multipurpose rolling mill'1989 4,831,854'Steel strip descaler'1989 4,736,609'Adjusting device for rolling mill rolls'1988 4,711,116'Method of operating a four-high roll stand with bendable and axially shiftable rolls'1987 4,674,313'High- and low-force adjustable roll stand'1987 4,669,296'Method of operating a four-high roll stand'1987 4,631,948'Roll stand with braced and offset working rolls'1986 4,598,566'Four-high roll stand with offset working rolls'1986 4,563,888'Six-high roll stand with braced and removable working rolls'1986 4,392,367'Process and apparatus for the rolling of strip metal'1983 4,152,919'Coil conveyor apparatus'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2004Patents assigned to SCHLOEMANN SIEMAG AG (19)· patent assignee history

1979–2007Based in Hilchenbach, DE· patent location history

2007Patents assigned to SMS DEMAG AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHLOEMANN SIEMAG AG	19	1979–2004
SMS DEMAG AG	1	2007

Locations

Location	Patents	Span
Hilchenbach, DE	20	1979–2007